Pith Number

pith:ZNCYZXWW

pith:2011:ZNCYZXWWKZR6QYN6BZBAUDJU6E

not attested not anchored not stored refs pending

Truncated Power Method for Sparse Eigenvalue Problems

Tong Zhang, Xiao-Tong Yuan

arxiv:1112.2679 v1 · 2011-12-12 · stat.ML · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZNCYZXWWKZR6QYN6BZBAUDJU6E}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:06:33.637773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb458cded65663e861be0e420a0d34f107ec940075e5795f9cf0a9bfacf462e0

Aliases

arxiv: 1112.2679 · arxiv_version: 1112.2679v1 · doi: 10.48550/arxiv.1112.2679 · pith_short_12: ZNCYZXWWKZR6 · pith_short_16: ZNCYZXWWKZR6QYN6 · pith_short_8: ZNCYZXWW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ZNCYZXWWKZR6QYN6BZBAUDJU6E \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: cb458cded65663e861be0e420a0d34f107ec940075e5795f9cf0a9bfacf462e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bf0747f6530bc756630185f3cd4cc2171b45a1079c135eb6b8cc3b3d896c3d6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-12-12T20:11:41Z",
    "title_canon_sha256": "a742a0c595c0dfb936558dc0a4b14eed1ff902a546896ba925a11ef64c7a17fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.2679",
    "kind": "arxiv",
    "version": 1
  }
}